Question

-(х – 4)(х+3) + х(х + 3) = 3х -7.​

Answer 1

Объяснение:

х+4*(х+3)+х*(х+3)=3х-7

х²+7х+12+х²+3х=3х-7

2х²+10х+12=3х-7

2х²+10х+12-3х+7=0

2х²+7х+19=0